8.1

CVE-2026-22747

Unauthorized User Impersonation when Using X.509 Client Certificates

Vulnerability in Spring Spring Security. SubjectX500PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user.
This issue affects Spring Security: from 7.0.0 through 7.0.4.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
VMware ≫ Spring Security Version >= 7.0.0 < 7.0.5
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.3% 0.212
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 8.1 2.8 5.2
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
security@vmware.com 6.8 1.6 5.2
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
0b0ca135-0b70-47e7-9f44-1890c2a1c46c 8.1 2.8 5.2
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE-295 Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.

CWE-297 Improper Validation of Certificate with Host Mismatch

The product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host.

https://spring.io/security/cve-2026-22747
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-22747
https://bugzilla.redhat.com/show_bug.cgi?id=2460487
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22747.json